JPH0625677B2 - 輝度調整機能を備えたｌｃｄ−表示器を有する電気秤 - Google Patents

輝度調整機能を備えたｌｃｄ−表示器を有する電気秤

Info

Publication number
JPH0625677B2
JPH0625677B2 JP62312380A JP31238087A JPH0625677B2 JP H0625677 B2 JPH0625677 B2 JP H0625677B2 JP 62312380 A JP62312380 A JP 62312380A JP 31238087 A JP31238087 A JP 31238087A JP H0625677 B2 JPH0625677 B2 JP H0625677B2
Authority
JP
Japan
Prior art keywords
display
lcd
optoelectronic component
light source
brightness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP62312380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63191022A (ja
Inventor
エーリッヒ・クノーテ
フランツ−ヨーゼフ・メルヒエル
クリスチアン・オルデンドルフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sartorius Werke GmbH
Original Assignee
Sartorius Werke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sartorius Werke GmbH filed Critical Sartorius Werke GmbH
Publication of JPS63191022A publication Critical patent/JPS63191022A/ja
Publication of JPH0625677B2 publication Critical patent/JPH0625677B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Indicating Measured Values (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP62312380A 1986-12-11 1987-12-11 輝度調整機能を備えたｌｃｄ−表示器を有する電気秤 Expired - Lifetime JPH0625677B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863642288 DE3642288C1 (en) 1986-12-11 1986-12-11 Electrical balance having an LCD display with brightness control
DE3642288.6 1986-12-11

Publications (2)

Publication Number Publication Date
JPS63191022A JPS63191022A (ja) 1988-08-08
JPH0625677B2 true JPH0625677B2 (ja) 1994-04-06

Family

ID=6315938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62312380A Expired - Lifetime JPH0625677B2 (ja) 1986-12-11 1987-12-11 輝度調整機能を備えたｌｃｄ−表示器を有する電気秤

Country Status (3)

Country Link
JP (1) JPH0625677B2 (enrdf_load_stackoverflow)
CH (1) CH673156A5 (enrdf_load_stackoverflow)
DE (1) DE3642288C1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524605C5 (de) * 1995-07-06 2009-10-15 Robert Bosch Gmbh Verfahren zum Einstellen der Helligkeit einer Anzeige sowie Autoradiogerät
GB0402640D0 (en) * 2004-02-06 2004-03-10 Pelikon Ltd Ambient light sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48107067U (enrdf_load_stackoverflow) * 1972-03-17 1973-12-12
JPS5422797A (en) * 1977-07-21 1979-02-20 Seiko Epson Corp Liquid crystal display unit
JPS5491090U (enrdf_load_stackoverflow) * 1977-12-09 1979-06-27
DE8002723U1 (de) * 1980-02-02 1980-06-04 Sartorius Gmbh, 3400 Goettingen Elektronische waage mit digitalanzeige

Also Published As

Publication number Publication date
JPS63191022A (ja) 1988-08-08
DE3642288C1 (en) 1988-06-09
CH673156A5 (enrdf_load_stackoverflow) 1990-02-15

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